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    Liquid crystal photo-alignment agent and liquid crystal photo-alignment film and liquid crystal display including the same
    3.
    发明授权
    Liquid crystal photo-alignment agent and liquid crystal photo-alignment film and liquid crystal display including the same 有权
    液晶光取向剂和液晶光取向膜以及包括其的液晶显示器

    公开(公告)号：US08057700B2

    公开(公告)日：2011-11-15

    申请号：US12329139

    申请日：2008-12-05

    申请人： Jae-Min Oh ,  Dong-Seon Uh ,  Jae-Deuk Yang ,  Tae-Hyoung Kwak

    发明人： Jae-Min Oh ,  Dong-Seon Uh ,  Jae-Deuk Yang ,  Tae-Hyoung Kwak

    IPC分类号： C09K19/56 ,  G02F1/1337

    CPC分类号： G02F1/133723 ,  C09K19/56 ,  G02F1/133788 ,  Y10T428/1005 ,  Y10T428/1018 ,  Y10T428/1023

    摘要： One embodiment of the present invention provides a liquid crystal photo-alignment agent that includes a polyamic acid copolymer including a repeating unit having the following Formula 1 and a repeating unit having the following Formula 2; a polyimide copolymer including a repeating unit having the following Formula 3 and a repeating unit having the following Formula 4; or a combination thereof: wherein the definition of R1 to R8 are the same as in the specification. The liquid crystal photo-alignment agent can have improved liquid crystal alignment properties, electrical characteristics such as voltage holding ratio, pretilt angle, residual DC, and the like, printability, cleaning stability, and spot stability, and is capable of unidirectionally aligning liquid crystals by ultraviolet (UV) exposure.

    摘要翻译： 本发明的一个实施方案提供一种液晶光取向剂，其包括含有具有下式1的重复单元和具有下式2的重复单元的聚酰胺酸共聚物; 包含具有下式3的重复单元和具有下式4的重复单元的聚酰亚胺共聚物; 或其组合：其中R1至R8的定义与说明书中的相同。 液晶光取向剂可以具有改善的液晶取向性，电压保持率，预倾角，残留DC等的电特性，可印刷性，清洁稳定性和光斑稳定性，并且能够将液晶 通过紫外线（UV）曝光。

    Liquid crystal alignment agent, liquid crystal alignment film using the same, and liquid crystal display device including the liquid crystal alignment film
    9.
    发明授权
    Liquid crystal alignment agent, liquid crystal alignment film using the same, and liquid crystal display device including the liquid crystal alignment film 有权
    液晶取向剂，使用其的液晶取向膜以及包括液晶取向膜的液晶显示装置

    公开(公告)号：US08969486B2

    公开(公告)日：2015-03-03

    申请号：US13591614

    申请日：2012-08-22

    申请人： Jae-Deuk Yang ,  Yong-Sik Yoo ,  Guk-Pyo Jo

    发明人： Jae-Deuk Yang ,  Yong-Sik Yoo ,  Guk-Pyo Jo

    IPC分类号： C07C229/42 ,  C08G69/08 ,  C08G73/10 ,  C09K19/56 ,  C08L79/08

    CPC分类号： C08G73/16 ,  G02F1/133788 ,  Y10T428/1023 ,  Y10T428/31721 ,  Y10T428/31725

    摘要： Disclosed are a liquid crystal alignment agent, a liquid crystal alignment film manufactured using the same, and a liquid crystal display including the liquid crystal alignment film. The liquid crystal alignment agent includes a polymer comprising a polyamic acid including a repeating unit represented by Chemical Formula 1, polyimide including a repeating unit represented by Chemical Formula 2, or a combination thereof: wherein Y1 and Y2 are each independently a divalent organic group derived from diamine, wherein the diamine includes photodiamine represented by Chemical Formula 3 and functional diamine represented by Chemical Formula 5: and wherein the other substituents are the same as defined in the detailed description.

    摘要翻译： 公开了液晶取向剂，使用其制造的液晶取向膜和包括液晶取向膜的液晶显示器。 液晶取向剂包括含有包含由化学式1表示的重复单元的聚酰胺酸的聚合物，包含由化学式2表示的重复单元的聚酰亚胺或其组合：其中Y1和Y2各自独立地为二价有机基团衍生物 其中二胺包括由化学式3表示的光二胺和由化学式5表示的官能二胺，其中其它取代基与详细说明中所定义的相同。